WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. phosphorus, P, atomic number 15, chemical element, element
- usage: a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
- 2. morning star, daystar, Phosphorus, Lucifer, planet, major planet
- usage: a planet (usually Venus) seen just before sunrise in the eastern sky
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See also: phosphorus (Dictionary)